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SEMINAR: The Origin of Matter in the Universe

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Today's date is Sunday, February 28, 2021
The Origin of Matter in the Universe Other events...
Abstract:

Paul Dirac proposed the baryon symmetric universe in 1933. This proposal has become very attractive now since it seems that all pre-existing asymmetry would have been diluted if we had an inflationary stage in the early universe. However, if our universe began baryon symmetric, the tiny imbalance in numbers of baryons and anti-baryons which leads to our existence, must have been generated by some physical processes in the early universe. In my talk I will show why the small neutrino mass is a key for solving this long standing problem in understanding the universe we observe.



Bio:

Professor Tsutomu Yanagida is a world-renowned expert on theoretical high energy physics and cosmology. He is famous, in particular, for the Seesaw mechanism (proposed in 1979) and for the Leptogenesis (proposed in 1986). The Seesaw mechanism predicts very small neutrino masses; the 2015 Nobel Prize in Physics was awarded for the discovery of neutrino oscillations, which show that neutrinos have small masses. The Leptogenesis explains the baryon asymmetry observed in the Universe. Professor Tsutomu Yanagida has published more that 500 papers, which have generated 29,666 citations (as of 28 November 2017). His h-index is 80. He co-authored the book ``Physics of Neutrinos and Applications to Astrophysics’’ written jointly with M. Fukugita and published in 2003.

Professor Tsutomu Yanagida obtained his PhD in 1977 from Hiroshima University. In 1979, he joined Tohoku University in Japan, first as Assistant Professor, then Associate Professor (1987) and finally Professor (1990). In the period 1996—2010, he was Professor at Tokyo University. He is currently Professor at Kavli Institute for the Physics and Mathematics of the Universe, Tokyo where he has been since 2010.
Speaker(s) Professor Tsutomu Yanagida
Location ENGINEERING LECTURE THEATRE 2 (ENCM G04)
Contact Lauren Humfrey <[email protected]>
Start Wed, 06 Dec 2017 03:30
End Wed, 06 Dec 2017 04:30
Submitted by Lauren Humfrey <[email protected]>
Last Updated Wed, 07 Feb 2018 15:31
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